Kangchenjunga is the third highest mountain in the world which is partly present in Nepal and some part is in Sikkim, India. It rises to a height of 8,586 m 28,169 ft in a section of the Himalayas called Kangchenjunga Himalaya.
Kedarnath is a town situated in the state of Uttarakhand and has achieved importance because of Kedarnath Temple. The most remote of the four Chota Char Dham sites, Kedarnath is situated in the Himalayas, about 3,583 m 11,755 ft above sea level near Chorabari Glacier.
Dunagiri 7,066 m is one of the elevated peaks of the Chamoli District Himalayas in the state of Uttarakhand. It lies at the northwest corner of the Sanctuary Wall, a ring of peaks nearby Nanda Devi and enfolding the Nanda Devi Sanctuary.
Rishi Pahar is a Himalayan mountain peak which is situated in Pithoragarh district of Uttarakhand state in India. It lies at the northeast corner of the ring of peaks near to the Nanda Devi Sanctuary.
Thalay Sagar is a mountain in the Gangotri Group of peaks in the western Garhwal Himalayas, on the main point that lies south of the Gangotri Glacier. It is nearby to the Jogen group of peaks and has the lake Kedartal at its base.
Satopanth Glacier is located in the Uttarakhand. The term ‘Satopanth’ is perhaps derived from two words – ‘Sat-o’ meaning of truth and ‘Panth’ meaning path or way. Mountaineers consider it a bit tough to cover.
Pauhunri is a mountain present in the Eastern Himalayas and is situated on the border of Sikkim, India and Tibet, China. It is about 75 km northeast of Kangchenjunga. It marks the beginning of Teesta River.
Nanda Devi is the second highest mountain in India, and the main one situated completely within the country. It is regarded as the 23rd-highest peak in the world. It was considered the highest mountain in the world before calculation in 1808 proved Dhaulagiri to be higher. It was also the highest mountain in India before 1975 when Sikkim, the state in which Kangchenjunga is located, entered the Republic of India. It is part of the Greater Himalayas and is situated in Chamoli district of Uttarakhand.
In the Garhwal region of Uttarakhand, after Nanda Devi, Kamet is the highest mountain. It lies in the Chamoli District of Uttarakhand. Its facade looks like a huge pyramid topped by a flat summit area with two peaks.
Jongsong Peak is a mountain situated in the Janak section of the Himalayas. At 7,462 meters 24,482 ft it is the 57th highest peak in the world, although it is conquered by 3rd highest, Kangchenjunga, 20 km 12 mi to the south. Jongsong's summit is located on the tri-junction of India, Nepal and China
Thus these are some of the mountains of India that must be on your list of expedition.